Teacher2Teacher |
Q&A #1530 |
From: Anonymous
To: Teacher2Teacher Public Discussion
Date: 2003030123:23:15
Subject: x squared minus one divided by one minus x
How do I do this? so far I've got (x+1)(x-1)/-(x-1) cancel out the x-1 leaving me with x+2/-1 the answer is -(x+1) but why why why???
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